Hazelcast sql query with JSON_QUERY and filter
I try to do a SQL query on Hazelcast map. ata in the map is in Json format. How can I do a query with json filter ? I need to get all data with hasEvents == true I tried…
Redis – Socket.io with Hazelcast
I have a nodejs application with cluster and I use hazelcast for scalebility. I need to add socket.io for real time messaging but when I connect to the socket on the worker processes, my client's socket object has lost. I…
Redis – Rate limiting load balanced environment using a distributed cache
My question is about a fundamental functionality of the distributed cache, my use case is a rate limiter implementation on a load balanced environment, each request from the same endpoint should increment a request-counter for that endpoint, I'm trying to…
Hazelcast and Apache Ignite analog for Redis Scored Sorted set
I have used Redis' Sorted sets to build fast leaderboard solutions for games. There are two main query operations I needed for my task: Get elements and their scores from index A to B in descending order (ZREVRANGE in Redis)…
Memcached – Hazelcast Java Serialization/Deserialization ArrayList Pitfall
I've switched from Memcached to Hazelcast. After a while i've noticed that the size of the Cache was bigger than usual. With man center. So i did like this: 1. Before to call the IMap.set(key,value(ArrayList) i deserialize the value to…
Memcached – Are there any good alternatives to Apache Ignite as an In-Memory Data Grid used together with Spring as a distributed cache?
We have a solution which uses the Apache Ignite-provided In-Memory Data Grid as a distributed cache. For newer projects, we ended up using Spring, and as such we wished homogenize our software ecosystem and using Spring for the first solution…
What is the purpose of Hazelcast? – Apache
I'm trying to understand Hazelcast library. Online studies says its an in-memory data grid and works on distributed network. Beyond that am very confused to understand this. Correct me if am wrong(My understanding). Here working on distributed network means that…